How do the experimental rates for the Diels-Alder reactions of cyclopentadiene and the different dienophiles correlate...

How do the experimental rates for the Diels-Alder reactions of cyclopentadiene and the different dienophiles correlate to the energies of the calculated LUMO? REFER TO TABLE BELOW! Please explain in detail.

Diels-Alder dienophiles:
Label	Log (rate)	E (LUMO) (eV)
Acrylonitrile	0.00	2.85
1,1-dicyanoethene	4.64	1.09
Cis-1,2-dicyanoethylene	1.94	1.16
Trans-1,2-dicyanoethylene	1.89	1.40
Tricyanoethylene	5.66	-0.12
Tetracyanoethylene	7.61	-1.24

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queen_honey_blossom answered 1 year ago

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